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wei0212007
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24樓  發(fā)表于: 2020-12-31 14:59
使用過(guò)的美國設備，柜子內帶有隔離變壓器的，隔離變壓器次級是110V的，次級一端是接地的；柜子內還有開(kāi)關(guān)電源，電源的負極也是接地的；觸摸屏、PLC等有接地的地方，所有的柜內有接地的地方都是統一接到進(jìn)線(xiàn)的接地線(xiàn)上的。設備使用10+年了，無(wú)任何問(wèn)題。
一路向前hg
相互學(xué)習，共同進(jìn)步！
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25樓  發(fā)表于: 2021-01-06 08:17
出差了兩天，謝謝大家參與討論、解答。。
斗志不能低
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